Question

sir, can u explain me how to find tan inverse in log books..

Answer 1

hi there,
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To find the tan inverse of a number using trigonometric tables, we must observe the specific value for which we need to find tan inverse in the table. 
examples:
Tan -1 (0.249) = 0.244 radians or 14°
Tan -1 (1.600) = 1.012 radians or 58°
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Hope this helped,
cheers